<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!--卡片视图区域-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="6">
          <el-input placeholder="请输入内容" v-model="queryInfo.query"
                    clearable @clear="getGoodList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>

      <!--table表格区域-->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="序号" align="center" width="50"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称" align="center"></el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" align="center" width="95"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" align="center" width="80"></el-table-column>
        <el-table-column prop="add_time" label="创建时间" align="center" width="160">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" width="180">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini">编辑</el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)">删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <!--分页区域-->
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[5, 10, 15, 20]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total" background>
      </el-pagination>
    </el-card>

  </div>
</template>

<script>
export default {
  name: "List",
  data() {
    return {
      //查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10,
      },
      //商品列表
      goodsList: [],
      //总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodList()
  },
  methods: {
    //根据分页获取对应的商品列表
    async getGoodList() {
      const {data: res} = await this.$axios.get('goods', {params: this.queryInfo})
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败')
      }
      // this.$message.success('获取商品列表成功')
      // console.log(res.data);
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    //
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodList()
    },
    //
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodList()
    },
    async removeById(id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消删除!')
      }
      const {data: res} = await this.$axios.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      this.getGoodList();
    },
    goAddPage() {
      this.$router.push('/goods/add')
    },
  }
}
</script>

<style lang="less" scoped>

</style>